{"id":27609,"date":"2026-09-23T04:31:02","date_gmt":"2026-09-22T20:31:02","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-77258"},"modified":"2026-09-23T04:31:02","modified_gmt":"2026-09-22T20:31:02","slug":"cve-2026-77258","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-77258","title":{"rendered":"CVE-2026-77258 [HIGH] &#8211; MCP Atlassian is a Model Context Protocol (MCP) server for Atlassian products (Confluence"},"content":{"rendered":"<p>MCP Atlassian is a Model Context Protocol (MCP) server for Atlassian products (Confluence and Jira). Prior to 0.22.0, upload_attachment in src\/mcp_atlassian\/confluence\/attachments.py accepts a caller-controlled file_path and opens the selected server-local file without restricting it to the workspace. A permitted Confluence MCP caller can upload the file as an attachment and disclose data readable by the server process. This issue is fixed in version 0.22.0.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MCP Atlassian is a Model Context Protocol (MCP) server for Atlassian products (Confluence and Jira). Prior to 0.22.0, upload_attachment in src\/mcp_atlassian\/confluence\/attachments.py accepts a caller-<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-27609","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/27609","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln"}],"about":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/types\/vuln"}],"wp:attachment":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=27609"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=27609"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=27609"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}